Mount for guns



S. G. GREEN MOUNT FOR GUNS Jan. 27, 1931.

Filed Oct. 26, 1927 Samuel GrEEn Patented Jan. 27, 1931 UNITED STATES PATENT QFFEE SAMUEL G. GREEN, OF GRAY, GEORGIA MOUNT FOR GUNS Application filed October 26, 1927. Serial No. 228,899.

(GRANTED UNDER THE ACT OF MARCH 3, 1883, AS AMENDED APRIL 30, 1928; 370 0. G. 757) The invention described herein may be cradle 8 by means of the trunnion pin 9. The manufactured and used by or for the Govern guns 10, which are shown as of the machine ment for governmental purposes without the gun class, are rigidly secured by means of payment to me of any royalty thereon. pins 10a to the outer sides of the cradle. 5 The subject of this invention is a mount fOr The elevating mechanism comprises a sysguns. tern of parallel-motion links including a pri- A mount for anti-aircraft guns must posmary link 11 and an auxiliary link 12 consess rapidity of elevation and stability during nected at their lower ends to the arms 13 and firing at all angles of elevation. In the type 13, respectively, fastened to the shaft 18 and {0 of mount whose movement in elevation is efat their upper ends to the arms 14 and 15, refected by a system of levers for the purpose spectively, secured to or integral with the gun of securing rapidity of action the requirement cradle. The primary link 11 is preferably loof stability is generally not met because the cated centrally of the mount while the auxbase of the support is abnormally shortened iliary link 12 is disposed at one side thus 15 as the gun is elevated. permitting them to pass each other Without Accordingly, it is the purpose of the presinterference as the arms and their connecting ent invention to provide a primary elevating elements are rocked. lever which will have a minimum rearward The actuating mechanism for displacing displacement during the first half of its elethe links is associated with the lower shaft 18 20 vation to provide aminimum reduction in the and its arms 13 and 13' and as shown combase, and, during the last half of its moveprises a gear Wheel 16 mounted in the top carment, when the reduction in the base becomes riage and meshing with a gear 17 on the exmore pronounced, it will be replaced by an tended shaft 18 of the bell crank. auxiliary support which assumes the position As generally indicated by the dotted lines 5 of the primary lever at minimum elevation in Fig. 1, when the gun is in position of maxand thereby re-establishes the original base of imum elevation having been moved through the support. 90 the auxiliary link 12 assumes the initial With the foregoing and other objects in position of the primary link 11 thus re-estabview, my invention resides in the novel arlishing the original base line between the 30 rangement and combination of parts and in trunnion and foremost attachment of the" the details of construction hereinafter deelevating mechanism. scribed and claimed, it being understood that By irtue of the arrangement of the ele- Changes in the Precise embodiment Of the lnrating lnechanism the gun may be vention herein disclosed may be made raised or lowered ithout in' pairing ta- 35 the Scope of What is Claimed Without depart bilitv and in addition the trunnions may be ingf1'0mt;he P positioned at the rear of the gun thus per- A practical embodiment of the inventlon 1s mitting the employment of a 10W mount and illustmted in the accompanying drawing facilitating the work of the gunner. wherein: I claim,

Y ;2 i g;;g: 25 2 21 1. A mount for guns embodying a support, cons me e m a gun carrying cradle trunnioned 1n the sup tiofi fg. 2 is a rear View of g 1. ort, a pair of elevating links connecting the Referring to the drawings by numerals of cradle and support and attached to t e cradle I reference; emu-distantly from the trunnion axis n Th i shown a mount f th d t l t different planes, the forward of said links capable of mounting a pair of guns and conarranged to have a mnnmpm rearward d1s- Sisting of a base 5, a rotatable top carriage 6 placement during the first nalf of its elevatterminating at its upper extremity in a pair ing movement and the other arranged to of spaced arms 7-7 on which is mounted a have a maximum forward displacement dur- 10o ing the same period and actuating mechanism for the links carried by the support.

2. A mount for guns embodying a support, a gun carrying cradle trunnioned in the support, a pair of elevating links connecting the cradle and support, the forward one of said links arranged to have minimum rearward displacement during the first half of its elevating movement and the other arranged to have a maximum forward displacement during the same period and means for actuating the links.

3. An elevating mechanism for guns embodying a system of links, arms connecting the links, the arms so arranged that one of the links has a minimum rearward displacement during the first half of its elevating movement and the other a maximum forward displacement during the same period, and means for actuating the arms.

4. An elevating mechanism for guns embodying a system of links, and means connecting the links whereby during the first half of elevating movement the links Will be so displaced as to cause a minimum reduction in effective base and during the last half of such movement the position of the links Will be so interchanged as to reestablish such effective base.

5. In combination with a pivoted member and its support, an elevating mechanism embodying a pair of parallel links, an angular member in the plane of the links and connecting the opposite extremities of the links, one of said angular members associated with the pivoted member, and means for fulcruming each of the angular members on the support at the point of its angularity.

SAMUEL G. GREEN. 

